CN111988978B

CN111988978B - Fixing device for welding electronic information board

Info

Publication number: CN111988978B
Application number: CN202010878089.7A
Authority: CN
Inventors: 曹婷
Original assignee: Guangdong Shunde Shengqi Electronic Technology Co ltd
Current assignee: Guangdong Shunde Shengqi Electronic Technology Co ltd
Priority date: 2019-05-14
Filing date: 2019-05-14
Publication date: 2021-10-22
Anticipated expiration: 2039-05-14
Also published as: CN111970918A; CN110113929B; CN110113929A; CN111970918B; CN111988978A

Abstract

The invention relates to the technical field of fixing devices, in particular to a fixing device for welding an electronic information plate, which comprises an upper base and a lower base, wherein the upper base is movably connected with the lower base through a connecting column, the upper base is provided with an upper groove, an iron plate is arranged in the upper groove, a plurality of fixing grooves are arranged on the upper base, fixing magnets are arranged in the fixing grooves and adsorbed on the iron plate, a connecting block is arranged on the iron plate in the upper base, a clamping piece is connected with the connecting block in a sliding manner, the clamping piece is a clamping structure consisting of a clamping block, a clamping pin mechanism, an adjusting mechanism, a clamping mechanism and a supporting mechanism, a lower groove is arranged on the lower base, a threaded column connected with the connecting column is fixed in the lower groove, a coil is arranged in the lower groove, and a sealing plate is clamped in the lower groove, so that the invention realizes the quick assembly and disassembly of the electronic information plate, the fixing range can be adjusted at will, and the device has wide application prospect in the technical field of fixing devices.

Description

Fixing device for welding electronic information board

The patent application is divisional application, the application number of a parent application is 2019104043051, and the application date of the parent application is 2019, 05 and 14.

Technical Field

The invention relates to the technical field of fixing devices, in particular to a fixing device for welding an electronic information board.

Background

The electronic information board of the invention includes but is not limited to a circuit board and a flat structure which needs to be placed in parallel or checked. The electronic information board is provided with a plurality of electronic components, and the electronic components and the electronic information board are connected by soldering. The automatic soldering of large electronic information boards can be realized by developing special machines, but the special equipment for special-shaped circuit boards and small miniature circuit boards is high in development cost, and the soldering work of electronic components is usually completed manually. Manual soldering is a necessary skill in electronic circuits.

When manual welding electronic components, need frequent transform solder joint and mobile circuit board's position, current workstation all with manual mobile circuit board position, need frequent dismouting circuit board, it is more loaded down with trivial details, and the fixing device who fixes to the circuit board is more time-consuming and energy-consuming when the circuit board dismouting in addition, operates inconveniently, and the circuit board has different specification and size in addition, can not adjust fixedly to the fixing device on the current workstation of circuit board of equidimension not, and is very inconvenient.

Disclosure of Invention

The invention discloses a fixing device for welding an electronic information board, which aims to solve the problems that the positions of circuit boards of the existing work tables are moved manually, the circuit boards need to be frequently disassembled and assembled, the work is complicated, a fixing device for fixing the circuit boards wastes time and labor when the circuit boards are disassembled and assembled, the operation is inconvenient, and in addition, the fixing device on the existing work tables for the circuit boards with different sizes can not be adjusted and fixed.

The technical proposal of the invention is that the invention comprises an upper base and a lower base, wherein, the upper base and the lower base are movably connected through a connecting column, the upper base is provided with an upper groove, an iron plate is arranged in the upper groove, the upper base is provided with a plurality of fixing grooves communicated with the upper groove, the fixed groove is internally provided with a fixed magnet and adsorbed on an iron plate, the iron plate in the upper base is movably connected with a connecting block, the connecting block is connected with a clamping piece which is convenient for fixing the information board in a sliding way, the clamping piece is a clamping structure which is composed of a clamping piece, a bayonet lock mechanism, an adjusting mechanism, a clamping mechanism and a supporting mechanism and is convenient for realizing the quick assembly and disassembly of the electronic information board, the lower base is provided with a lower groove, a threaded column is fixed in the lower groove, the connecting column is in threaded connection with the threaded column, a coil is arranged in the lower groove, and a sealing plate is clamped in the lower groove above the coil.

Preferably, one end of the clamping block is provided with a sliding connection groove with an i-shaped vertical section, the connection block is slidably connected in the sliding connection groove, the clamping block is internally provided with an upper sliding hole and a lower sliding hole along the vertical direction of the clamping block, the upper sliding hole and the lower sliding hole are both straight holes, the diameter of the upper sliding hole is smaller than that of the lower sliding hole, the lower sliding hole is communicated with the sliding connection groove, and the clamping pin mechanism is arranged at the junction of the upper sliding hole and the lower sliding hole.

Preferably, the bayonet lock mechanism comprises a guide strip, an upper toothed column, a lower toothed column, a sliding strip, a pressing rod, a compression spring, a connecting spring and a connecting plate, eight guide strips are formed by extending the inner wall of the upper sliding hole along the radial direction, one end of each guide strip extends into the lower sliding hole along the axial direction of the upper sliding hole to form a guide tooth claw, four guide shallow sliding chutes and four guide deep sliding chutes which are arranged at intervals and uniformly are formed among the guide strips, eight sliding strips are fixed on the outer surface of the upper tooth post and are connected in the guide shallow sliding groove and the guide deep sliding groove in a sliding manner, the lower toothed column is positioned in the lower sliding hole, the compression spring is positioned in the lower sliding hole between the lower toothed column and the connecting block, and a lower tooth claw which is not completely matched with the guide tooth claw is fixed on the outer surface of the lower tooth column, and an upper tooth claw which is not completely matched with the lower tooth claw extends from one end of the upper tooth column, which is close to the lower tooth column.

Preferably, the spread groove has been seted up to the one end that goes up the column gear and be close to down the column gear, the one end that the column gear is close to down the column gear extends and has the connector down, connector swing joint is in the spread groove, the one end that the press bar kept away from down the column gear by last column gear extends and constitutes, set up the intercommunicating pore of intercommunication spread groove in the press bar, sliding connection has the connecting plate in the intercommunicating pore, coupling spring and connecting plate and connector fixed connection in the spread groove form the structure that the column gear passes through coupling spring swing joint together with lower column gear, the one end that the press bar kept away from last column gear runs through the card piece and extends to the outside of card piece along the axial of last sliding hole, the one end joint that the card piece was kept away from to the intercommunicating pore has the pressure sealing cap.

Preferably, adjustment mechanism includes regulating block, regulation pole and first adjusting nut, the regulating block is fixed on the end face that the solid piece of card kept away from the sliding connection groove, run through the regulating block and extend to the outside of solid piece of card according to the depression bar, set up the adjustment tank that runs through the regulating block on the regulating block, be fixed with on the depression bar with press the perpendicular regulation pole of depression bar looks, adjust the pole and keep away from in the adjustment tank and extend to outside the regulating block according to the one end of depression bar, the surface threaded connection of regulating block has first adjusting nut, adjust the pole between solid piece of card and first adjusting nut.

Preferably, the clamping mechanism comprises a limiting plate, a fixing nut, a fixing rod, a first limiting nut and a second limiting nut, the limiting plate is fixed at one end of the pressing rod far away from the upper tooth column, the fixing nut is in threaded connection with the outer surface of one end of the pressing rod far away from the clamping block, the fixing plate is sleeved on the pressing rod and is located between the limiting plate and the fixing nut, a plurality of through holes parallel to the axis of the pressing rod are formed in one end of the fixing plate far away from the pressing rod, the fixing rod is movably connected in the through holes, threads are formed in the fixing rod, and the first limiting nut and the second limiting nut are in threaded connection with the fixing rod at two sides of the fixing plate.

Preferably, a wire is embedded in the fixing rod, one end of the wire extends to one end of the fixing rod far away from the fixing plate, and the other end of the wire penetrates through the other end of the fixing rod, is movably connected to the iron plate, and is electrically connected with the iron plate.

Preferably, the supporting mechanism comprises a moving chute, a plurality of positioning grooves and a supporting ring plate, the moving chute and the positioning grooves are arranged on the outer surface of the clamping block, the moving chute penetrates through the outer surface of the clamping block along the vertical direction, the positioning grooves are communicated with the moving chute and located on one side of the moving chute in the same clockwise direction or the same anticlockwise direction, and one end of the supporting ring plate is connected in the moving chute in a sliding mode and can be clamped in the positioning grooves.

Preferably, the center of the upper base extends downwards to form a rotating cylinder and a sleeve structure, one end of the connecting column penetrates through the rotating cylinder and is connected with a second adjusting nut in a threaded manner in the rotating cylinder, a plurality of annular grooves are formed in the inner bottom of the rotating cylinder, balls are connected in the annular grooves in a sliding manner, and the second adjusting nut is abutted to the balls.

Preferably, the iron plate is provided with an opening at a position opposite to the rotating drum, the opening is movably connected with a connecting magnet, the connecting magnet is electrically connected with a conductive ball through a connecting wire, the conductive ball is located in a rotating groove structure formed by the rotating drum and is electrically contacted with the second adjusting nut, and the threaded column is electrically connected with a ground wire.

The technical scheme of the invention can achieve the following beneficial effects: the upper base and the lower base can be separated by repulsive force of the coil and the fixed magnet when in work, and the upper base can freely rotate relative to the lower base, so that the electronic information board fixed on the upper base can be conveniently operated; the fixing magnet, the iron plate and the connecting block are matched for use, so that the clamping piece is conveniently and movably connected to the iron plate, the clamping piece can freely move on the iron plate, the position of the clamping piece can be adjusted according to the size of the electronic information plate, and the electronic information plate is further conveniently fixed; through the matched use of the upper tooth column, the lower tooth column, the upper tooth claw, the lower tooth claw, the guide strip, the guide tooth claw, the pressing rod, the compression spring, the connecting spring, the pressing rod and the fixing plate, the quick assembly and disassembly of the electronic information board by the clamping and fixing piece are convenient to realize, and the working efficiency is improved; the adjusting block, the adjusting groove, the adjusting rod and the first adjusting nut are matched for use, so that the moving distance of the pressing rod can be adjusted to a certain degree, and the electronic information boards with different thicknesses can be conveniently fixed; static electricity on the electronic information board is led out conveniently through the conducting wire, the conducting ball and the connecting wire, and the electronic information board is prevented from being broken down by the static electricity; the technical scheme of the invention has wide application prospect in the technical field of fixing devices.

Drawings

Fig. 1 is a front view of a fixing device for soldering an electronic information board according to the present invention.

Fig. 2 is an enlarged view of the area a in fig. 1.

Fig. 3 is a schematic view of a fastener structure of the fixing device for welding an electronic information board according to the present invention.

Fig. 4 is an enlarged view of the region B in fig. 3.

FIG. 5 is a schematic view of the structure of the guide bar inside the sliding hole of the fixing device for electronic information board welding of the present invention.

Wherein, 1, an upper base, 2, a lower base, 3, an upper groove, 4, an iron plate, 5, a fixed groove, 6, a fixed magnet, 7, a clamping piece, 701, a clamping block, 702, a sliding connection groove, 703, an upper sliding hole, 704, a lower sliding hole, 8, a clamping mechanism, 801, a guide strip, 802, a guide tooth claw, 803, a guide shallow sliding groove, 804, a guide deep sliding groove, 805, an upper tooth column, 806, a lower tooth column, 807, an upper tooth claw, 808, a lower tooth claw, 809, a sliding strip, 810, a compression spring, 811, 813, 812, a connector, a connection groove, a connection plate, 815, a pressing rod, 816, a communication hole, 817, a pressing sealing cap, 9, an adjusting mechanism, 901, an adjusting block, 902, an adjusting groove, 903, an adjusting rod, 904, a first adjusting nut, 10, a clamping mechanism, a fixed plate, 1002, a limiting plate, 1003, a fixed nut, 1004, and a fixed rod, 1005. the device comprises a first limiting nut, 1006, a second limiting nut, 1007, a wire, 11, a supporting mechanism, 111, a moving sliding groove, 112, a positioning groove, 113, a supporting ring plate, 12, a connecting block, 13, a connecting column, 14, a rotating cylinder, 15, a second adjusting nut, 16, an annular groove, 17, a ball, 18, a connecting magnet, 19, a connecting wire, 20, a conductive ball, 21, a lower groove, 22, a threaded column, 23, a coil, 24 and a sealing plate.

Detailed Description

Those of ordinary skill in the art will recognize that the terms "above," "below," "upward," "downward," "top," "bottom," and the like are used for the description of the figures and do not represent limitations on the scope of the invention, as defined by the claims.

The fixing device for welding the electronic information board as shown in fig. 1-5 comprises an upper base 1 and a lower base 2, wherein the upper base 1 is movably connected with the lower base 2 through a connecting column 13, so that the upper base 1 can rotate relative to the lower base 2 by taking the connecting column 13 as a rotating shaft, and further the electronic information board on the upper base 1 can be driven to rotate, and the electronic information board can be conveniently operated. Go up base 1 and seted up upper groove 3, be equipped with iron plate 4 in the upper groove 3, go up the fixed slot 5 of seting up a plurality of intercommunication upper grooves 3 on the base 1, be equipped with fixed magnet 6 in the fixed slot 5 and adsorb on iron plate 4, swing joint has connecting block 12 on the iron plate 4 in going up the base 1, connecting block 12 sliding connection has the card firmware 7 of the fixed information board of being convenient for, be convenient for through fixed magnet 6's magnetic attraction, adsorb the card firmware 7 of connecting on connecting block 12 on iron plate 4 and fix, can also make card firmware 701 move the optional position on iron plate 4 simultaneously, be convenient for adjust card firmware 7, and then fix according to the electronic information board of not unidimensional size. The clamping piece 7 is a clamping structure which is composed of a clamping block 701, a clamping pin mechanism 8, an adjusting mechanism 9, a clamping mechanism 10 and a supporting mechanism 11 and is convenient for realizing rapid disassembly and assembly of an electronic information board, the clamping pin mechanism 8 can fix upper and lower clamping pins to realize the vertical positioning movement of the clamping mechanism 10, the clamping pin mechanism 8 can be adjusted to be away from the iron plate 4 through the adjusting mechanism 9, the electronic information board can be supported and kept away from the iron plate 4 through the supporting mechanism 11, sufficient space is reserved for electronic components on the electronic information board, and the electronic information board can be adjusted and fixed according to different thicknesses, and further the electronic information board can be rapidly fixed and disassembled through the clamping block 701, the clamping pin mechanism 8, the adjusting mechanism 9, the clamping mechanism 10 and the supporting mechanism 11. Be equipped with low groove 21 on the base 2 down, the welding is fixed with screw thread post 22 in the low groove 21, and spliced pole 13 threaded connection is on screw thread post 22, and the dismouting of spliced pole 13 of being convenient for reduces the occupation space size of whole device in the transportation, the transportation of being convenient for. Go up base 1's central downwardly extending and construct rotary drum 14 to constitute the sleeve structure, the one end that base 2 was kept away from down to spliced pole 13 runs through rotary drum 14 and has second adjusting nut 15 at rotary drum 14 internal thread connection, is convenient for inject base 1 through second adjusting nut 15, prevents that base 1 from breaking away from spliced pole 13. A plurality of ring channels 16 have been seted up to the interior bottom of rotary drum 14, sliding connection has a plurality of balls 17 in the ring channel 16, and second adjusting nut 15 is inconsistent with ball 17, is convenient for reduce frictional force when making base 1 rotate for lower base 2 through ball 17 and ring channel 16, makes to rotate more easily, but also can effectively avoid the interior bottom friction loss of second adjusting nut 15 and rotary drum 14, increase of service life. The iron plate 4 is provided with an opening at a position opposite to the rotary drum 14, so that the second adjusting nut 15 can be conveniently disassembled and adjusted through the opening, and the iron plate 4 is prevented from influencing the height of the connecting column 13 in the rotary drum 14 when the connecting column 13 is adjusted through the second adjusting nut 15. Opening part swing joint has connecting magnet 18, connecting magnet 18 has conductive ball 20 through 19 electric connection of connecting wire, conductive ball 20 is located the rotation inslot structure that rotary drum 14 constitutes and with second adjusting nut 15 electric contact, threaded post 22 electric connection has the earth lead, be convenient for through connecting magnet 18, connecting wire 19, conductive ball 20, second adjusting nut 15 and spliced pole 13 will be conducted the static conduction on iron plate 4 from the electronic information board away, avoid static to stay on fixing device, cause the injury. Be equipped with coil 23 in the lower recess 21, coil 23 passes through the wire and is connected with external power cord, can utilize coil 23 circular telegram to produce magnetic force, make the magnetic force that coil 23 produced opposite with the magnetic force direction that fixed magnet 6 produced, utilize the principle that like poles of magnet repel each other, it keeps away from lower base 2 to repel upper base 1 after coil 23 circular telegram, and then be convenient for upper base 1 can rotate for lower base 2, and still can eliminate repulsive force through cutting off the power supply with coil 23 when not using, reduce whole device occupation space's size. The lower groove 21 above the coil 23 is clamped with a sealing plate 24, so that the coil 23 is conveniently isolated from the outside, and electric shock caused when the coil 23 is exposed for use is avoided.

As shown in fig. 1-5, the fixing device for welding the electronic information board, the fixing element 7 includes a fixing block 701, one end of the fixing block 701 is provided with a sliding connecting groove 702 with an i-shaped vertical cross section, the connecting block 12 is an i-shaped sliding connecting groove 702 matched with the sliding connecting groove 702 and made of iron, nickel, cobalt or alloy thereof, and is slidably connected in the sliding connecting groove 702, so that the connecting block 12 and the fixing block 701 are connected together to form a whole, and further, the connecting block 12 is fixed on the iron plate 4 by adsorption, and can move along with the movement of the connecting block 12. An upper sliding hole 703 and a lower sliding hole 704 are formed in the clamping block 701 along the vertical direction of the clamping block 701, the upper sliding hole 703 and the lower sliding hole 704 are straight holes, the diameter of the upper sliding hole 703 is smaller than that of the lower sliding hole 704, the lower sliding hole 704 is communicated with the sliding connection groove 702, the clamping pin mechanism 8 is arranged at the junction of the upper sliding hole 703 and the lower sliding hole 704, the clamping pin mechanism 8 is conveniently arranged in the upper sliding hole 703 and the lower sliding hole 704, and the clamping pin mechanism 8 is conveniently clamped through the different diameters of the upper sliding hole 703 and the lower sliding hole 704, so that the fixing and the dismounting of the clamping piece 7 on the electronic information board are realized. The bayonet lock mechanism 8 comprises guide strips 801, upper tooth columns 805, lower tooth columns 806, sliding strips 809, a pressing rod 815, a compression spring 810, a connecting spring and a connecting plate, wherein the guide strips 801 are eight and formed by extending the inner wall of an upper sliding hole 703 along the radial direction, one end of each guide strip 801 extends into a lower sliding hole 704 along the axial direction of the upper sliding hole 703 and forms a guide tooth claw 802, four guide shallow sliding chutes 803 and four guide deep sliding chutes 804 which are arranged at intervals and uniformly are formed between the guide strips 801, the inner bottom of the guide deep sliding chute 804 and the inner wall of the upper sliding hole 703 are on the same plane, the depth of the guide shallow sliding chute 803 is smaller than that of the guide deep sliding chute 804, eight sliding strips 809 are welded and fixed on the outer surface of the upper tooth column 805, the sliding strips 809 are connected in the guide shallow sliding chute 803 and the guide deep sliding chute 804 in a sliding manner, so that the upper tooth column 805 can slide only in the direction of the shallow guide chute 803 and the deep guide chute 804 in the shallow guide chute 803 and the deep guide chute 804. The guiding shallow sliding groove 803 and the guiding deep sliding groove 804 are closed at the end far from the lower sliding hole 704, and the upper tooth column 805 is prevented from being pulled out from the guiding shallow sliding groove 803 and the guiding deep sliding groove 804. The lower tooth column 806 is positioned in the lower sliding hole 704, the compression spring 810 is positioned in the lower sliding hole 704 between the lower tooth column 806 and the connecting block 12, the outer surface of the lower tooth column 806 is fixedly welded with a lower tooth claw 808 which is not completely matched with the guide tooth claw 802, one end of the upper tooth column 805 close to the lower tooth column 806 extends to form an upper tooth claw 807 which is not completely matched with the lower tooth claw 808, the lower tooth column 806 and the lower tooth claw 808 are driven to slide downwards when the upper tooth column 805 slides downwards, the engagement between the upper tooth column 805 and the lower tooth column 806 is incomplete, only the tooth tip part is engaged with one part, the sliding strip 809 and the lower tooth claw 808 behind the engaged two teeth slide in the same guide deep sliding groove 804, after the lower tooth column 806 pushes the lower tooth column 805 to slide out of the guide deep sliding groove 804, the teeth of the lower tooth claw 808 can slide along the inclined planes of the engaged upper tooth claw 807 under the action of the compression spring 810, the lower tooth column 808 drives the lower tooth column 806 to rotate by an angle and slide to the other side, at this time, the lower tooth column 808 slides to the position where the guide shallow sliding groove 803 is located and is not completely meshed with the guide tooth column 802, because the thickness of the lower tooth column 808 is greater than the depth of the guide shallow sliding groove 803, the lower tooth column 808 cannot retract to realize a bayonet lock, the lower tooth column 806 slides downwards by a certain distance compared with the initial position, the upper tooth column slides downwards again, the lower tooth column 806 drives the lower tooth column 808 to separate from the guide tooth column 802, meanwhile, the lower tooth column 808 rotates under the inclined surface action of the upper tooth column 807, the lower tooth column 808 rotates to the position corresponding to the guide deep sliding groove 804, the upper tooth column 805 stops sliding downwards, the upper tooth column 805 and the lower tooth column 806 simultaneously slide upwards under the action of the compression spring 810, and at this time, the lower tooth column 808 slides in the guide deep sliding groove 804 and returns to the initial position. Through the mutual matching of the upper tooth claw 807, the lower tooth claw 808, the guide tooth claw 802, the compression spring 810, the sliding strip 809, the guide shallow sliding groove 803 and the guide deep sliding groove 804, the pressing rod 815 can conveniently drive the clamping and fixing mechanism 10 to move up and down, and then the electronic information board is fixed by matching with the supporting mechanism 11.

As shown in fig. 1-5, in the fixing device for welding the electronic information board, a connecting groove 811 is formed at one end of the upper tooth column 805 close to the lower tooth column 806, a connecting head 812 extends from one end of the lower tooth column 806 close to the upper tooth column 805, the connecting head 812 is movably connected in the connecting groove 811, and the connecting spring 813 is fixedly connected with the connecting plate 814 and the connecting head 812 in the connecting groove 811, so as to connect the upper tooth column 805 and the lower tooth column 806 together through the connecting spring 813, and prevent the upper tooth column 805 and the lower tooth column 806 from being separated from the lower tooth column 806 to slide up and down freely after the upper tooth column 806 and the lower tooth column 808 are guided by the clamping fingers 802, thereby affecting the fixation of the electronic information board, and in addition, the connecting spring 813 can play a certain buffering role on the upper tooth column 805, and prevent the clamping mechanism 10 from being damaged due to pressure applied to the electronic information board after the pressing rod 815. The pressing rod 815 is formed by extending one end of the upper tooth column 805 away from the lower tooth column 806, and one end of the pressing rod 815 away from the upper tooth column 805 penetrates through the clamping block 701 in the axial direction of the upper sliding hole 703 and extends outside the clamping block 701, so that the upper tooth column 805 can be controlled to slide up and down by the pressing rod 815, and the entire bayonet mechanism 8 can perform bayonet positioning. The pressing rod 815 is internally provided with a communicating hole 816 communicated with a connecting groove 811, the communicating hole 816 is internally and slidably connected with a connecting plate 814, a structure that the upper tooth column 805 and the lower tooth column 806 are movably connected together through a connecting spring 813 is formed, the communicating hole 816 is convenient for placing the connecting plate 814, the connecting plate 814 is convenient for connecting the upper tooth column 805 and the lower tooth column 806 through the connecting spring 813, and meanwhile, the lower tooth column 806 can rotate relative to the upper tooth column 805, so that the lower tooth claw 808 and the guide tooth claw 802 can be clamped mutually. One end of the communicating hole 816, which is far away from the fastening block 701, is fastened with a pressing sealing cap 817, so that the communicating hole 816 is sealed conveniently, and impurities such as dust and the like are prevented from falling into the communicating hole 816 to influence the normal rotation, putting in and taking out of the connecting plate 814. The push seal cap 817 is made of a flexible rubber material, which makes it more comfortable for fingers when the push rod 815 is pushed down.

As shown in fig. 1 to 5, the fixing device for soldering an electronic information board, the adjusting mechanism 9 includes an adjusting block 901, an adjusting rod 903 and a first adjusting nut 904, the adjusting block 901 is fixedly welded on the end face, far away from the sliding connecting groove 702, of the clamping block 701, the pressing rod 815 penetrates through the adjusting block 901 and extends to the outside of the clamping block 701, an adjusting groove 902 penetrating through the adjusting block 901 is formed in the adjusting block 901, an adjusting rod 903 perpendicular to the pressing rod 815 is fixedly welded on the pressing rod 815, the adjusting rod 903 is located in the adjusting groove 902 and extends to the outside of the adjusting block 901, one end, far away from the pressing rod 815, of the adjusting rod 903 extends to the outside of the adjusting block 901, the outer surface of the adjusting block 901 is in threaded connection with the first adjusting nut 904, the adjusting rod 903 is located between the clamping block 701 and the first adjusting nut 904, the adjusting rod 903 can conveniently move up and down on the adjusting block 901 through the first adjusting nut 904, the adjusting rod 903 is pressed to drive the pressing rod 815 to move up and down, and further the length of the pressing rod 815 outside the clamping block 701 is adjusted.

As shown in fig. 1-5, the fixing device for welding the electronic information board, the fastening mechanism 10 includes a position-limiting plate 1002, a fixing plate 1001, a fixing nut 1003, a fixing rod 1004, a first position-limiting nut 1005 and a second position-limiting nut 1006, the position-limiting plate 1002 is welded and fixed at one end of the pressing rod 815 far away from the upper tooth column 805, the fixing nut 1003 is screwed on the outer surface of one end of the pressing rod 815 far away from the fastening block 701, the fixing plate 1001 is sleeved on the pressing rod 815 and located between the position-limiting plate 1002 and the fixing nut 1003, so that the fixing plate 1001 can rotate freely with the pressing rod 815 as a rotating shaft, and the fixing plate 1001 is limited by the fixing nut 1003 and the position-limiting plate 1002, and the fixing plate 1001 is prevented from being separated from the pressing rod 815. The one end that the fixed plate 1001 kept away from according to the pressure pole 815 is seted up a plurality of through-holes that are parallel along with the axis according to the pressure pole 815, dead lever 1004 swing joint is in the through-hole, set up screw thread on the dead lever 1004, first stop nut 1005 and second stop nut 1006 threaded connection are in the both sides position of fixed lever 1004 at the fixed plate 1001, and with inject dead lever 1004 through first stop nut 1005 and second stop nut 1006, prevent that dead lever 1004 from breaking away from fixed plate 1001, and can also adjust dead lever 1004 through rotatory first stop nut 1005 and second stop nut 1006, make the dead lever 1004 can adjust at the length that fixed plate 1001 is close to iron plate 4 one side, and then adjust fixedly according to the electronic information board of different thickness. The wire 1007 is embedded in the fixing rod 1004, one end of the wire 1007 extends to one end of the fixing rod 1004 far away from the fixing plate 1001, and the other end of the wire 1007 penetrates through the other end of the fixing rod 1004 and is movably connected to the iron plate 4 and electrically connected with the iron plate 4, so that static electricity on the electronic information board can be conveniently led out, and the electronic information board is prevented from being broken down and damaged due to overlarge static electricity on the electronic information board.

As shown in fig. 1-5, the fixing device for welding the electronic information board, the supporting mechanism 11 includes a moving chute 111, a positioning slot 112 and a supporting ring board 113, the moving chute 111 and the positioning slot 112 are disposed on the outer surface of the clamping block 701, the moving chute 111 penetrates through the outer surface of the clamping block 701 along the vertical direction, the positioning slot 112 is provided with a plurality of slots and is communicated with the moving chute 111, and the positioning slot 112 is located on one side of the moving chute 111 in the same clockwise or counterclockwise direction, one end of the supporting ring board 113 is slidably connected in the moving chute 111 and can be clamped in the positioning slot 112, so as to limit the height of the supporting ring board 113 from the iron plate 4 through the moving chute 111 and the positioning slot 112, and further cooperate with the clamping mechanism 8 and the clamping structure to support and fix the electronic information boards with different thicknesses.

When in use, the second adjusting nut 15 is firstly adjusted according to the requirement to ensure that the distance between the upper base 1 and the lower base 2 reaches the proper height, then the coil 23 is electrified, the upper base 1 is far away from the lower base 2 under the action of repulsive force, then the position of the supporting ring plate 113 on the clamping block 701 and the length of the fixed rod 1004 below the fixed plate 1001 are adjusted according to the thickness of the electronic information plate, so that the fixed rod 1004 can be properly abutted against the electronic information plate after the pressing rod 815 is pressed down to further realize the fixation of the electronic information plate, then the positions of the connecting blocks 12 and the clamping piece 7 on the iron plate 4 are adjusted according to the area of the electronic information plate, so that the clamping piece 7 can surround the edge of the electronic information plate, the electronic information plate is placed on the supporting plate, then the fixed plate 1001 is fluctuated, and the fixed rod 1004 on the fixed plate 1001 is aligned with the edge of the electronic information plate, then, the pressing rod 815 is pressed down, so that the pressing rod 815 drives the upper tooth column 805, the upper tooth column 805 drives the lower tooth column 806, the lower tooth claw 808 is clamped between the guide tooth claws 802, the pressing rod 815 moves downwards, the fixing plate 1001 drives the fixing rod 1004 to move downwards, and the electronic information plate is fixed; when the electronic information board is detached, the pressing rod 815 is firstly pressed down, so that the lower tooth claw 808 is separated from the guide tooth claws 802 and rotates to the guide deep sliding groove 804 along the upper tooth claw 807, then the pressing rod 815 is loosened, the upper tooth column 805 and the lower tooth column 806 slide upwards under the elastic force of the compression spring 810, at the moment, the lower tooth claw 808 slides in the guide deep sliding groove 804, so that the pressing rod 815 moves upwards integrally, the fixing plate 1001 drives the fixing rod 1004 to be far away from the electronic information board, then the fixing plate 1001 is shifted to enable the fixing rod 1004 not to be aligned with the electronic information board, then the electronic information board is taken down, and finally the coil 23 is powered off.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The fixing device for welding the electronic information board comprises an upper base (1) and a lower base (2), wherein the upper base (1) is movably connected with the lower base (2) through a connecting column (13), an upper groove (3) is formed in the upper base (1), an iron plate (4) is arranged in the upper groove (3), a plurality of fixing grooves (5) communicated with the upper groove (3) are formed in the upper base (1), a fixing magnet (6) is arranged in each fixing groove (5) and adsorbed on the iron plate (4), a connecting block (12) is movably connected onto the iron plate (4) in the upper base (1), the connecting block (12) is slidably connected with a clamping piece (7) convenient for fixing the information board, and the clamping piece (7) is a clamping structure convenient for realizing quick disassembly and assembly of the electronic information board and formed by a clamping block (701), a clamping pin mechanism (8), an adjusting mechanism (9), a clamping mechanism (10) and a supporting mechanism (11), a lower groove (21) is formed in the lower base (2), a threaded column (22) is fixed in the lower groove (21), the connecting column (13) is in threaded connection with the threaded column (22), a coil (23) is arranged in the lower groove (21), and a sealing plate (24) is clamped in the lower groove (21) above the coil (23);

one end of the clamping block (701) is provided with a sliding connection groove (702) with an I-shaped vertical section, the connecting block (12) is connected in the sliding connection groove (702) in a sliding manner, an upper sliding hole (703) and a lower sliding hole (704) are formed in the clamping block (701) along the vertical direction of the clamping block (701), the upper sliding hole (703) and the lower sliding hole (704) are straight holes, the diameter of the upper sliding hole (703) is smaller than that of the lower sliding hole (704), the lower sliding hole (704) is communicated with the sliding connection groove (702), and the bayonet mechanism (8) is arranged at the junction of the upper sliding hole (703) and the lower sliding hole (704);

the bayonet mechanism (8) comprises guide strips (801), upper toothed columns (805), lower toothed columns (806), sliding strips (809), a pressing rod (815), a compression spring (810), a connecting spring (813) and a connecting plate (814), wherein the guide strips (801) are eight and formed by extending the inner wall of an upper sliding hole (703) along the radial direction, one end of each guide strip (801) extends into a lower sliding hole (704) along the axial direction of the upper sliding hole (703) to form a guide toothed claw (802), four guide shallow sliding grooves (803) and four guide deep sliding grooves (804) which are arranged at intervals and uniformly are formed between the guide strips (801), eight sliding strips (809) are fixed on the outer surface of the upper toothed columns (805), the sliding strips (809) are connected in the guide shallow sliding grooves (803) and the guide deep sliding grooves (804) in a sliding manner, the lower toothed columns (806) are positioned in the lower sliding holes (704), the compression spring (810) is positioned in a lower sliding hole (704) between the lower toothed column (806) and the connecting block (12), a lower toothed claw (808) incompletely inosculated with the guide toothed claw (802) is fixed on the outer surface of the lower toothed column (806), and an upper toothed claw (807) incompletely inosculated with the lower toothed claw (808) extends from one end of the upper toothed column (805) close to the lower toothed column (806);

the supporting mechanism (11) comprises a moving chute (111), a positioning groove (112) and a supporting ring plate (113), the moving chute (111) and the positioning groove (112) are arranged on the outer surface of the clamping block (701), the moving chute (111) penetrates through the outer surface of the clamping block (701) along the vertical direction, the positioning grooves (112) are multiple and communicated with the moving chute (111), the positioning groove (112) is located on one side of the moving chute (111) in the same clockwise or anticlockwise direction, and one end of the supporting ring plate (113) is connected in the moving chute (111) in a sliding mode and can be clamped in the positioning groove (112).

2. The electronic information board welding fixing device according to claim 1, wherein a connection groove (811) is formed at one end of the upper tooth post (805) close to the lower tooth post (806), a connection head (812) extends from one end of the lower tooth post (806) close to the upper tooth post (805), the connection head (812) is movably connected in the connection groove (811), the pressing rod (815) is formed by extending one end of the upper tooth post (805) away from the lower tooth post (806), a communication hole (816) communicating with the connection groove (811) is formed in the pressing rod (815), a connection plate (814) is slidably connected in the communication hole (816), the connection spring (813) is fixedly connected with the connection plate (814) and the connection head (812) in the connection groove (811), and a structure that the upper tooth post (805) and the lower tooth post (806) are movably connected together through the connection spring (813) is formed, one end, far away from the upper tooth column (805), of the pressing rod (815) penetrates through the clamping block (701) along the axial direction of the upper sliding hole (703) and extends to the outside of the clamping block (701), and one end, far away from the clamping block (701), of the communication hole (816) is clamped with a pressing sealing cap (817).

3. The electronic information board soldering fixing device according to claim 2, the adjusting mechanism (9) comprises an adjusting block (901), an adjusting rod (903) and a first adjusting nut (904), the adjusting block (901) is fixed on the end surface of the clamping block (701) far away from the sliding connecting groove (702), the pressing rod (815) penetrates through the adjusting block (901) and extends to the outside of the clamping block (701), an adjusting groove (902) which penetrates through the adjusting block (901) is arranged on the adjusting block (901), an adjusting rod (903) which is vertical to the pressing rod (815) is fixed on the pressing rod (815), the adjusting rod (903) is arranged in the adjusting groove (902) and extends out of the adjusting block (901) from one end of the pressing rod (815), the outer surface of the adjusting block (901) is connected with a first adjusting nut (904) in a threaded manner, the adjusting rod (903) is arranged between the clamping block (701) and the first adjusting nut (904).

4. The electronic information board welding fixing device according to claim 2, wherein the clamping mechanism (10) comprises a position-limiting plate (1002), a fixing plate (1001), a fixing nut (1003), a fixing rod (1004), a first position-limiting nut (1005) and a second position-limiting nut (1006), the position-limiting plate (1002) is fixed at one end of the pressing rod (815) far away from the upper tooth column (805), the fixing nut (1003) is in threaded connection with the outer surface of one end of the pressing rod (815) far away from the clamping block (701), the fixing plate (1001) is sleeved on the pressing rod (815) and is located between the position-limiting plate (1002) and the fixing nut (1003), one end of the fixing plate (1001) far away from the pressing rod (815) is provided with a plurality of through holes parallel to the axis of the pressing rod (815), the fixing rod (1004) is movably connected in the through holes, and the fixing rod (1004) is provided with threads, the first limiting nut (1005) and the second limiting nut (1006) are in threaded connection with the fixing rod (1004) at the positions of two sides of the fixing plate (1001).

5. The fixing device for soldering of electronic information board according to claim 4, wherein a wire (1007) is embedded in the fixing rod (1004), one end of the wire (1007) extends to one end of the fixing rod (1004) far away from the fixing plate (1001), and the other end of the wire (1007) penetrates the other end of the fixing rod (1004) and is movably connected to the iron plate (4) and electrically connected to the iron plate (4).

6. The electronic information board welding fixing device according to claim 1, wherein a drum (14) is formed by extending downwards from the center of the upper base (1) and a sleeve structure is formed, one end of the connecting column (13) penetrates through the drum (14) and is internally threaded with a second adjusting nut (15) in the drum (14), a plurality of annular grooves (16) are formed in the inner bottom of the drum (14), balls (17) are slidably connected in the annular grooves (16), and the second adjusting nut (15) is abutted against the balls (17).

7. The electronic information board welding fixing device according to claim 6, wherein the iron plate (4) is provided with an opening at a position opposite to the rotating drum (14), the opening is movably connected with a connecting magnet (18), the connecting magnet (18) is electrically connected with a conductive ball (20) through a connecting wire (19), the conductive ball (20) is positioned in a rotating groove structure formed by the rotating drum (14) and is electrically contacted with the second adjusting nut (15), and the threaded column (22) is electrically connected with a ground wire.